Method of manufacture of revolving wire, fiber, or bristle brushes



'Aug. 13, 1935.

F. P. RIGBY 2,011,324

METHOD OF MANUFACTURE OF REVOLVING WIRE, FIBER OR BHIS'ILE BRUSHES Filed April 28, 1954 INVENTOR= Fredgr ick Parke-r fiigby.

By, X fit-E PatentedbAugt 13,1 1 1a; y

ingr between end plates ginto circular brushes.

of secured bristles.

spaced to hold pointed and hooked-pins o. A length of wire gauze offisuitable width islaid on the base plate over the cuts therein. Thebristles fover the length of wire F; v i wThe effect isshowninflilig -l ingfthem together.-

Any desired n etweenthin metal end plates.

i 1 i j 12,011,324

METHoDbF MANUFACTURE OF REVOLVING g WIRE, FIBERgOR BRESTLE BRUSHES QFrederick ParkerIBig by, Sheffield, En land "A puatibnhpiii 28,1924, Serial No. 722,951 i t i d In Great Britain May 6, 1933 n d d M 2 Claims. (C "f The-"invention comprises an'irnp roved method IV of manufacturing rotary brushes in which the bristles are secured by hooked pins clenched through a binding of fine gauze and over a-length, of wire, the ends of the wire being secured together. Units of this kind are built up by rivetbrushis obtained.

Referring to the accoinpanying drawing Fig-V ure 1 shows the method pf obtaining" the lengths .Asteel baseplate A;with a; lengthwise slot and transverse cuts 13, suitably are placed thereon. Alength of Wire E, is'nowfl ressedby the aidgoi a grooved andjserrated: knife G, through the lengthwise slot in thebase plate taking the whole oi" the componentswith. it. This action bends" the bristles and then clnches the pins (L through the gauze=D,and

The resulting lengthof secured bristles is now bent into an annulardisc and the ends of the ire-in the root of the bristles seeured by twist- 1 "her i of theseiannulandiscs hen punched are secured by'meansof rivets Alternatively a, Y

PATENT, 0mm

longerlength of secured bristles canbe bent into spiral form andsecured-between thin metal end plates in a similar manner shown in Fig. 3.

By clamping the resulting annular discs with plates fitted, between end 'l t the thin metal end plates of wood or metal an improved revolving l -The steps in the methodof inanufacturing w 1 revolving brushes by supporting bendablepins in 10 sp cedparallel relationship to each in a common plane, disposing vgauze above the pins, placing 2. The steps in the method of anufacturing revolving brushes by supporting bendable hook i ended pins in spaced parallel relationship to each. 1 y e in a common plane, disposing gauze above the pins, placing bristles on the gauze; disposing ab a core upon said bristlesandforcing the core and 1 thereby the bristles and gauze into a channeled V shape and simultaneously bending the pins and 25 anchoring the hooks in the wire gauze to secure a the bristles. l l i FREDERICK PARKERRIGBY. 

